1036666737667 has 4 divisors (see below), whose sum is σ = 1130909168376. Its totient is φ = 942424306960.

The previous prime is 1036666737637. The next prime is 1036666737703. The reversal of 1036666737667 is 7667376666301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1036666737667 - 2³¹ = 1034519254019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1036666737599 and 1036666737608.

It is not an unprimeable number, because it can be changed into a prime (1036666737637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47121215338 + ... + 47121215359.

It is an arithmetic number, because the mean of its divisors is an integer number (282727292094).

Almost surely, 2^{1036666737667} is an apocalyptic number.

1036666737667 is a deficient number, since it is larger than the sum of its proper divisors (94242430709).

1036666737667 is an equidigital number, since it uses as much as digits as its factorization.

1036666737667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94242430708.

The product of its (nonzero) digits is 144027072, while the sum is 64.

The spelling of 1036666737667 in words is "one trillion, thirty-six billion, six hundred sixty-six million, seven hundred thirty-seven thousand, six hundred sixty-seven".